package com.jiamao.lib.util;

import android.util.SparseArray;
import android.view.View;

/**
 * Viewholder的简化
 * @ClassName: ViewHolder
 * @Description: TODO
 * @author smile
 * @date 2014-5-28 上午9:56:29
 */
@SuppressWarnings("unchecked")
public class ViewHolder
{
    public static <T extends View> T get(View view, int id)
    {
        SparseArray<View> viewHolder = (SparseArray<View>) view.getTag();
        if (viewHolder == null)
        {
            viewHolder = new SparseArray<View>();
            view.setTag(viewHolder);
        }
        View childView = viewHolder.get(id);
        if (childView == null)
        {
            childView = view.findViewById(id);
            viewHolder.put(id, childView);
        }
        return (T) childView;
    }
}
